Re: Physical memory available in the system - Regarding

[Ed L Cashin <ecashin@uga.edu>]

Vijay Venkata <vijay.venkata@inet.com> writes:

>    Hi
>
>    Would somebody be kind enough to give me some pointers on the
>    availability of some linux kernel call that I can use to get the
>    amount of physical memory available on the system ?
>
>    I am trying to do something like this (not using bigphyspatch but
>    reserving memory at boot time, pg 403 on O'Reilly book)
>
>        dmabuf = ioremap (getAvailablePhysicalMemory (), 0x100000 /*1M*/);
>
>    Any help would be greatly appreciated.

The /proc/meminfo interface ....

  ecashin@meili ecashin$ grep MemTotal /proc/meminfo 
  MemTotal:       257128 kB

... implemented in fs/proc/proc_misc.c by meminfo_read_proc, uses
si_meminfo to get that information.  (at least in 2.4.18)

-- 
--Ed L Cashin     PGP public key: http://noserose.net/e/pgp/

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